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Finding the Fourth Proportional to 246,516.54, 369,830.16 and 78,046.92

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Solution

The fourth proportional to 246,516.54, 369,830.16 and 78,046.92 is: 117,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,516.54 : 369,830.16 = 78,046.92 : x
  2. Step 2: Convert to fraction form
    246,516.54/369,830.16 = 78,046.92/x
  3. Step 3: Cross multiply
    246,516.54x = 369,830.16 × 78,046.92
  4. Step 4: Simplify right side
    246,516.54x = 28,864,104,911.11
  5. Step 5: Solve for x
    x = 28,864,104,911.11/246,516.54
  6. Step 6: Final answer
    x = 117,087.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.